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building a hash of hashes with constant keys

by mooseboy (Pilgrim)
on Nov 19, 2002 at 08:53 UTC ( [id://214056]=perlquestion: print w/replies, xml ) Need Help??

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  1. or download this
    Q4_2001: 741 1203 3406 1861 1242 1911 601 etc 
    Q3_2001: 773 1255 3552 1941 1296 1993 627 etc
    Q2_2001: 805 1307 3698 2021 1350 2075 653 etc
    
  2. or download this
    %HoH = (
            Q4_2001 => {
    ...
                    Argentina    => 1255, etc
            },
     );
    
  3. or download this
    sub build_HoH {
        while (<DATA>) {
    ...
            $HoH{$period}{$country} = $data;
        }
    }
    

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